Gun-carriage.



A. T. DAWSON & e. T.. BUCKHAM.

GUN CARRIAGE. APPLICATION FILED DEC-1h I917.

Patented Apr. 15,1919.

b all whom it may concern STATES PATENT oEEIoE.

i ARTHUR TREVOR DAWSON AND GEORGE THOMAS BUCKI-IAM, .OF WESTMINSTER, LONDON, ENGLAND, ASSIG-NORS TO VICKERS' LIMITED, OF WESTMTNSTER,

ENGLAND.

GUN-CARRIAGE.

t known that we Sir ARTHUR TREVOR DA'wsoN, knight, and Sir GEORGE THOMAS BUGKHAM, knight, both subjects of the King- Of Great Britain, residing at Vickers House,

I Broadway, Westminster, in the county of London, England, have invented certain new and useful Improvements Relating to Grun Carriages, of which the following is a specification.

This invention relates to field gun carriages and has for its object to provide an I compose n "-1;,- "S11p port the carriage wheels at or near its prising a support for the carriage wheels a member against which the rear part of the trail bears and upon which it can be moved to traverse the carriage. T Accordin to the invention the bed plate d of a rigid structure adapted to forward part and to support the trail at. or

near its rear part in such a manner as to permit of the carriage being traversed- The saidrigid' structure is preferably of triangular form and may have at or near its with reference to the ings, in which 85' apex a support for the carriage wheels and at 'or near its base an arc-shaped member for the trail. r a In order that the said invention may be clearly understood and readily carried-into effect we will describe the same more fully accompanying draw- Figures 1 and 2 are respectively a side elevation and a plan of the improved bed plate with the gun carriage shown by chain,

lines in position thereon. In Fig. 1 the rear portion of the bed plate is shown in section on the line 1, 1 of Fig. 2.

'Fig'. 3.is a local section showing the means hereinafter referred to for anchoring the gun carriage to the bed plate.

The triangular structure constituting the bed plate is composed of side members A, A detachably connected together at thelr forward ends by means of a removable pin a or otherwise, and a base member Adetachably connected to the rear ends of the side members. These members are composed of wooden beams reinforced, where necessary by iron orsteel plates. The base member consists as shown of two superposed beams a, a recessed near their outer ends to, accommodate between them the side said arc-shaped member or plate Bnear the beams. The two base beams m, a are connected together by bolts a a and plates A A so as to clamp each of the side beams between the base beams. B is the aforesaid arc-shaped member which is constituted by a metal plate attached to the upper one of the base beams and resting at its ends upon the side'beams. Thisv plate has a channel for a flange or projection B on the rear part of the gun carriage trail and is formed wlth a num er of holes for the reception of a. locking pin which passes through a hole l.- improved bed plate capable of being sunk into or embedded in the ground and com l o and gun carriage in the desired lateral position.

This plate carries the flange or projection B. C, C .are wheel platforms which are constituted by metal platesconnected together by transverse beams C, C which rest upon the forward portions of the side'beams A, A. The platform structure thus constituted is prevented from moving forward by angle irons-A A on the side beams, and rear-- ward by wooden blocks A (Fig. 1) attached to the side beams. The platform structure is also prevented from moving sidewise by plates C C which depend from the platforms and bear against the outer surfaces of the said wooden blocks A attached to the side beams.- The said platforms have on their upper surfaces curved angle irons Q C against which the inner sides of the runs of the gun carriage wheels bear during the movement of the trail over the aforebase of the triangular structure. The said curved angle irons have as their center of curvature that of the said arc-shaped-memher or plate. I

The beams and the platform structure are provided with rope gromets as shown so that they can be moved readily from place to place and these gromets are intended to Specification of Letters Patent. Patented Aprl15, 1919, Application filed December 21, 1917. Serial No. 208,317.

receive hand-spikes a3, a for 'the purpose of lifting the beams out of the ground.

Means may be provided for anchoring the carriage to the platforms 0, C in such a manner as to permit of traversing the carriage on the platforms and at the same time preventing the wheels from liftin when thegun is fired. These means are shown in Fig. '3 and comprise a bolt D passing through metal plates D, D of which the former lies across the rear two of the aforesaid transverse beams C, C and the other The'said bolt has an eye through,which across two blocks, D D? suitably clamped or connected to the said transverse, beains.

' passes a chain D which also passes around the gun carriage axle D ,,this chain being tightened .by a rigging screw or turnbuckle D,

What We claim and desire to secure by Letters Patent of the United States is 1. A'bed plate servingas a firing platform .for a gun carriage and composedof-a r1g1d structure of triangular form serving. Ito support the carriagewheels at or nearits apex and tosupport the trail at or near its base in such a manner as to ermit of the. Y carriage beingtraversed on the structure.

2. A bed plate serving as a firing platform for a gun carriage and composedof a rigid structure of triangular form having at or near its apex a support for the gun carriage-Wheels and at or near its base an ,arc-shaped support for the trall.

3."A bed plate serving ,as a

J form fora gun carriage and composed ofa rigid. structure of triangular form having at or; near its apex a support for-"the. carriage Wheels and at ornear its base an arc-sh pped support proyided with a channel. forthe reception of a projection of the trail.

4; The combination with a bed -plate "serving as a firing p1atform.for a gun'c'a-r riageand composedof arigid structure "of triangular form having at or near 1ts' apex at support for the gun carriage, Wheels and- In testimony whereof, we afiix our 'sig-' natures.

ARTHUR TREVOR DAWSON." GEORGE THOMAS BUCKHAM. 

